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ICSE Class 10 Geography Question 3 of 23

Soil Resources in India — Question 3

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Question

Question 3

Name the main components of soil.

Answer

The soil is composed of inorganic and organic components.

  1. Inorganic components: Following are the inorganic components of soil:
    1. Silica — is present in the soil in the form of small crystalline grains, the main constituent of sand.
    2. Clay — is a mixture of silicates and many other minerals such as iron, calcium, sodium, potassium and aluminium.
    3. Chalk (Calcium Carbonate) — provides the most essential elements for plant growth which is calcium.
  2. Organic components: Organic matter is formed by the decomposition of plant remains, animal waste and dead animals. The ultimate form of organic matter is humus.